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Edit this profileWhere to find Samuel K. Liu, MD
- Pleasanton location main office
5565 W Las Positas Blvd Ste 260, Pleasanton, CA 94588 - Walnut Creek location
1425 S Main St, Walnut Creek, CA 94596 - Antioch location
3901 Lone Tree Way, Antioch, CA 94509
About Dr. Liu
Based in Pleasanton, CA, Samuel K. Liu, MD is listed in the NPI registry under surgery. Samuel graduated from University of California, San Diego School of Medicine in 1987. Samuel is also listed as specializing in colon & rectal surgery. According to Medicare claims data, Samuel cared for 68 Medicare patients across 74 services. The services billed most often include initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1790863884 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (925) 416-5470
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
5565 W LAS POSITAS BLVD STE 260
Pleasanton, CA 94588
1425 S Main St
Walnut Creek, CA 94596
3901 Lone Tree Way
Antioch, CA 94509
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Endocrine
Vascular
- Blood Clot Removal Surgery
- Carotid endarterectomy
- Leg bypass surgery
- Varicose vein removal
Wounds
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
- Colonoscopy
- Skin lump biopsy
Digestive
Digestive health
- Endoscopy
- Peroral endoscopic myotomy
Infections
Minor surgery
- Fishhook or embedded splinter removal
- Ingrown toenail removal
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular & cancer
Weight loss
Wound care
Procedures Most Often Billed to Medicare
74 services · 68 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
45 | More often than most peers in Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
29 | As often as other peers in Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other general surgeons in Pleasanton 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of California, San Diego School of Medicine 6
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Liu's specialty?
Dr. Liu is a general surgeon in Pleasanton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
Where can I find Dr. Liu?
Dr. Liu is listed at 5565 W Las Positas Blvd Ste 260, Pleasanton, CA 94588. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Liu?
The number on file is (925) 416-5470. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Liu's NPI number?
Dr. Liu's National Provider Identifier is 1790863884. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Liu's medical education?
Dr. Liu attended University of California, San Diego School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Liu been practicing?
Dr. Liu has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Liu known for?
According to Medicare billing data, Dr. Liu the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Liu confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Liu. If this is you, claiming it is free.
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